from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of numerous plants of the genus Oxalis, having often cloverlike compound leaves with three leaflets and variously colored flowers that are usually clustered in umbels. Also called wood sorrel.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of various ornamental flowering plants of the genus Oxalis
Latin oxalis, wood sorrel, from Greek, from oxus, sour; see ak- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From the genus name Oxalis. (Wiktionary)